Video To Text

Convert video or audio files from URLs into text or subtitle formats using a free API with automatic language detection and no local downloads required.

Security Scan

The skill claims “no local downloads” and “free/no-key” transcription, but its code downloads user media to a temp file and uploads it to an external API (https://api.myshell.ai), and the repository also contains optional local/paid fallbacks — these inconsistencies and the unknown third‑party endpoint warrant caution.

Purpose & Capability

The SKILL.md and metadata emphasize a free, no-local-download, no-API-key Whisper API. The actual code (index.js/tool.js) downloads the provided URL into a temp file and then uploads the file to a third‑party endpoint (CONFIG.primaryApi = https://api.myshell.ai/...). The repository also includes a Python script that supports local Whisper/ffmpeg and AssemblyAI (which requires an API key). Requiring local downloads (to temp) contradicts the 'no local downloads required' claim; presence of multiple fallback mechanisms (some requiring keys) is not explained in the description.

Instruction Scope

Runtime instructions and code will: fetch user-provided URLs, write the content to a temp file, and transmit the file contents to an external service (myshell.ai). That network upload is expected for a transcription skill, but the SKILL.md's phrasing ('no local downloads required') is misleading. The skill will therefore exfiltrate the media to an external third party; SKILL.md does not make clear the privacy/security implications or ownership of that third party. The Python script supports local processing, ffmpeg, and other APIs but these are not required or documented as alternate flows in the top-level description.

Install Mechanism

No install spec (instruction-only) is present, so nothing is installed automatically — lower install risk. However the package includes runnable code (node scripts and a Python script) that invoke external binaries (ffmpeg) and ship network requests; if the user or agent runs the included scripts they need node and possibly Python/ffmpeg/whisper. There is no download-from-suspicious-URL install step, which is good.

Credentials

The skill does not require environment variables or credentials to run the primary path. However the code contains optional branches that reference external services requiring API keys (OpenAI, AssemblyAI) and a local whisper flow which requires Python packages and ffmpeg; those are optional but not clearly documented in SKILL.md as alternative modes. Primary API (myshell.ai) is used without a key — you should verify and trust that endpoint before sending sensitive media.

Persistence & Privilege

The skill does not request persistent/always-on privileges, does not modify other skills, and does not request system-level configuration. It runs as a tool via child process (execSync) which is normal for wrappers, but executing bundled scripts means the agent will run code on the host when invoked.

What to consider before installing

This skill will download the media you provide to a temp file and upload it to an external service (https://api.myshell.ai). That behavior is necessary for remote transcription but contradicts the 'no local downloads' claim in the description and exposes your media to a third party whose privacy policy and trustworthiness are unknown. Before installing or using: (1) avoid sending sensitive or private media to this skill, (2) verify the myshell.ai endpoint and operator and their privacy/retention policies, (3) if you need local-only processing, prefer using the included Python script with a vetted local Whisper/ffmpeg installation (be aware that requires installing software and models), and (4) run the skill in a restricted/sandboxed environment if you must test it. If the misleading description (no local download/no key) is a concern, contact the author or prefer a transcription skill that clearly documents data flow and required credentials.

video-to-text - 免费视频转文字 API

概述

免费视频转文字 API - 用户需要免费、无需本地下载、直接使用 API 将视频/音频转为文字。

触发词

当用户提到以下内容时激活此技能：

• "视频转文字"
• "音频转文字"
• "语音转文字"
• "video to text"
• "audio to text"
• "speech to text"
• "字幕提取"
• "提取字幕"
• "视频转字幕"
• "免费转文字"
• "API转文字"

工具

此技能提供以下工具：

video_to_text

将视频或音频文件转换为文字（字幕/ transcripts）。

参数：

• url (必填): 视频/音频文件的 URL 地址，支持 mp4, wav, mp3, m4a, webm, ogg 等格式
• language (可选): 语言代码，如 "zh" (中文)、"en" (英语)、"ja" (日语)，默认自动检测
• output_format (可选): 输出格式，"text" (纯文字) 或 "srt" (字幕格式)，默认 "text"

使用示例

用户: 帮我把这个视频转成文字
AI: (使用 video_to_text 工具，传入视频URL)

用户: 提取这个音频的字幕
AI: (使用 video_to_text 工具，设置 output_format="srt")

用户: 把这个mp3转成文字
AI: (使用 video_to_text 工具)

实现说明

此技能使用免费的 Whisper API 服务进行语音识别，无需 API Key，直接调用即可使用。

支持的免费 API 端点：

• https://api.myshell.ai/v1/audio/transcriptions (MyShell Whisper)
• https://api.openai.com/v1/audio/transcriptions (OpenAI，需要Key)

如果主要API不可用，会自动尝试备用方案。

注意事项

• 支持的输入格式：mp4, wav, mp3, m4a, webm, ogg, flac
• 最大文件大小：25MB
• 处理时间取决于文件长度，通常需要等待
• 建议使用直接文件URL，避免需要认证的链接